CVE-2021-3510 Zephyr JSON decoder incorrectly decodes array of array
A flaw in the Zephyr RTOS JSON decoder causes incorrect handling of nested arrays, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3510?
CVE-2021-3510 is a high-severity vulnerability in Zephyrproject Zephyr, published on 5 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions >= >1.14.0, >= >2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4
Weakness: CWE-588
Which versions are affected by CVE-2021-3510?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2021-3510?
No fix has been published for CVE-2021-3510 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3510 being exploited?
There is no known exploitation of CVE-2021-3510 in the wild and no public exploit code.
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